package com.mojianxi.blogdemo.web.admin;

import com.mojianxi.blogdemo.po.Tag;
import com.mojianxi.blogdemo.po.Type;
import com.mojianxi.blogdemo.service.TagService;
import com.mojianxi.blogdemo.service.TypeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.validation.Valid;

/**
 * @Description TODO
 * @Author:liuxiaodong
 * @Date 2019/10/10 14:09
 * @Company dyld
 */
@Controller
@RequestMapping("/admin")
public class TagController {
    @Autowired
    private TagService tagService;
    @GetMapping("/tags")
    public String types(@PageableDefault(size=10,sort = {"id"},direction = Sort.Direction.DESC) Pageable pageable, Model model){

        model.addAttribute("page",tagService.listType(pageable));
        return "admin/tags";
    }
    @GetMapping("/tags/input")
    public String input(Model model){
        model.addAttribute("tag",new Type());
        return "admin/tags-input";
    }
    @GetMapping("/tags/{id}/input")
    public String editInput(@PathVariable  Long id, Model model){
        model.addAttribute("tag",tagService.getType(id));
        return "admin/tags-input";
    }
    @PostMapping("/tags")
    public String post(@Valid Tag tag, BindingResult result, RedirectAttributes attributes){
        Tag tag1=tagService.getTypeByname(tag.getName());
        if(tag1!=null){
            result.rejectValue("name","nameError","不能重复添加分类");
        }
        if(result.hasErrors()){
            return "admin/tags-input";
        }
        Tag t=  tagService.saveType(tag);
         if(t==null){
            attributes.addFlashAttribute("message","新增失败");
         }else {
            attributes.addFlashAttribute("message","新增成功");
         }
         return "redirect:/admin/tags";
    }
    @PostMapping("/tags/{id}")
    public String editPost(@Valid Tag tag, BindingResult result,@PathVariable  Long id, RedirectAttributes attributes){
        Tag tag1=tagService.getTypeByname(tag.getName());
        if(tag1!=null){
            result.rejectValue("name","nameError","不能重复添加分类");
        }
        if(result.hasErrors()){
            return "admin/tags-input";
        }
        Tag t=  tagService.updateType(id,tag);
        if(t==null){
            attributes.addFlashAttribute("message","更新失败");
        }else {
            attributes.addFlashAttribute("message","更新成功");
        }
        return "redirect:/admin/tags";
    }
    @GetMapping("/tags/{id}/delete")
    public String delete(@PathVariable Long id,RedirectAttributes attributes){
        tagService.deleteType(id);
        attributes.addFlashAttribute("message","删除成功");
        return "redirect:/admin/tags";
    }
}
